GENERIC NAME: GUAIFENESIN W/PHENYLPROPANOLAMINE - ORAL TABLET SUSTAINED ACTION (gweye-FEN-eh-sin WITH FEN-ull-pro-puh-NO-luh-meen)
BRAND NAME(S): Dura-Vent, Entex LA
Medication Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage
USES: Guaifenesin helps to loosen mucus. Phenylpropanolamine is a decongestant. This combination medication is used to relieve nasal congestion and symptoms associated with the common cold, allergies, hay fever, sinusitis and other respiratory illnesses.
HOW TO USE: This medication is best taken with a full glass of water after a meal or snack. The tablet can be broken in half. However, the whole or half tablet should be swallowed whole. Do not crush or chew the tablet before swallowing it. The long action will be destroyed and the chance of side effects will be increased. Do not increase your dose or take this more often than directed.
SIDE EFFECTS: Dizziness, headache, loss of appetite, nausea, nervousness or insomnia may occur the first several days as your body adjusts to the medication. Should these effects continue or become bothersome, inform your doctor. Notify your doctor if you develop: chest pain, a rapid pulse, skin rash, high blood pressure, tremors, nervousness. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Tell your doctor if you have: kidney disease, heart disease, lung disease, asthma, emphysema, high blood pressure, an overactive thyroid, diabetes, glaucoma, prostate trouble, depression, any allergies. To avoid dizziness and lightheadedness when rising from a seated or lying position, get up slowly. Also limit your intake of alcoholic beverages which will aggravate these effects. This medication should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. Since small amounts of this medication are found in breast milk, consult your doctor before breast-feeding.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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